i recently bought apexi pen type turbo timer.. how to install this timer?? i used l2s engine but i dunno how to connet the 02 sensor and air/fuel ratio.. anyone.. plzzzz....:hmmmm:
Good day, got a quick question , Im experincing back fir or misfire from my exhaust when I rev in high RPM happen quick often , I'm driving a Evo8 MR , need your advice in this before i consult the Mech...